Summary - K.155 (11/2024) - Performance requirements and test methods for surge protective modules used in AC power ports of telecommunication equipment

The purpose of Recommendation ITU-T K.155 is to address terms, classifications, electrical/mechanical/environmental and material requirements and test methods for surge protective modules (SPMs) used in AC power ports of telecommunication equipment with voltages up to AC 1000 V, to mitigate overvoltage surges.
This Recommendation provides special technical requirements and test methods considering the characteristics of SPMs.